The Association for the Treatment of Sexual Abusers (ATSA) is committed to promoting evidence-based practices and high quality research. Consistent with professional and scientific opinion in diverse fields, ATSA recognizes randomized clinical trials (RCT’s) as the preferred method of controlling for bias in treatment outcome evaluations. ATSA promotes the use of RCT to distinguish between interventions that decrease the recidivism risk of sexual offenders and those programs that have no effect or are actually harmful.

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